5361816520 has 64 divisors (see below), whose sum is σ = 12404216880. Its totient is φ = 2084391936.

The previous prime is 5361816503. The next prime is 5361816521. The reversal of 5361816520 is 256181635.

It can be written as a sum of positive squares in 8 ways, for example, as 2342753604 + 3019062916 = 48402^2 + 54946^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 5361816520.

It is not an unprimeable number, because it can be changed into a prime (5361816521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888542 + ... + 1891378.

Almost surely, 2^5361816520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5361816520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6202108440).

5361816520 is an abundant number, since it is smaller than the sum of its proper divisors (7042400360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5361816520 is a wasteful number, since it uses less digits than its factorization.

5361816520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5361816520 is about 73224.4257061809. The cubic root of 5361816520 is about 1750.2657033296.

The spelling of 5361816520 in words is "five billion, three hundred sixty-one million, eight hundred sixteen thousand, five hundred twenty".